Please use this identifier to cite or link to this item: http://krishikosh.egranth.ac.in/handle/1/5810143062
Authors: Mainde, U.P.
Advisor: Banubakode, S. B.
Title: Histological Ultrastructural and Histochemical Studies on Skin in Goat (Capra Hircus)
Publisher: NVC, Nagpur
Language: en
Type: Thesis
Pages: xiv,80,xvii
Agrotags: null
Keywords: "Veterinary Anatomy","Histological Ultrastructura","Histochemical Studies","Skin","Capra Hircus","Goat"
Abstract: Present study was conducted on skin of goat from six to twelve month of age (Gr I) and above one year age (Gr II). Skin thickness was significantly increased with advancement of age, which was more in dorsal region than lateral and ventral. The stratum lucidum layer was absent in all region in both age groups. Epidermal pegs were deeper in ventral thorax region in both age groups. Melanocytes and Langerhan’s cells were present in stratum basale and stratum spinosum. Dermal papillae were less developed in ventral neck region in Gr I and Gr II. There was no significant difference in thickness of papillary layer between lateral thigh and medial thigh region in Gr I and Gr II. Thickness of reticular layer was maximum in dorsal neck region, while it was minimum in medial thigh region in Gr I and Gr II. The elastic fibers were more in Gr I as compared to Gr II. Glomus bodies were present at the junction of dermis and hypodermis. Depth of primary hair follicle was maximum in dorsal neck region and minimum in medial thigh region in Gr I and Gr II. There was no significant difference in depth of primary hair follicle in medial thigh region between Gr I and Gr II. Diameter of primary hair follicle was maximum in dorsal neck region in Gr I and Gr II, while diameter of primary hair follicle was minimum in medial thigh region in Gr I and lateral thigh region in Gr II. Depth of sweat gland was maximum in dorsal neck region and minimum in medial thigh region in Gr I and Gr II. Significant increase in depth of sweat gland with advancement of age was noted in both the age groups. There was no significant difference in depth of sebaceous gland between ventral thorax, lateral thigh and medial thigh region in Gr I and Gr II. Depth of sebaceous gland was maximum in dorsal neck region and minimum in medial thigh region in Gr I and Gr II. Histochemical observations revealed that moderate to intense PAS positive activity was present in papillary layer, reticular layer, arrector pili muscle, tunics of blood vessels and capsule of sebaceous gland. Intense Sudan black B activity was present in stratum corneum and keratin in both age groups. Present study revealed moderate to intense acid phosphatase activity in stratum corneum and blood vessels in both age groups. Mild to moderate alkaline phosphatase activity was present in sweat gland, sebaceous gland and cortical part of hair follicle. Electron microscopic study of skin during present work revealed region specific differences in terms of cellular morphology and degree of keratinization. The non-keratinocytes Merkel cells and melanocytes were present in epidermodermal junction. In dorsal abdomen region, basal cells were tall columnar with oval and elongated nucleus. Plasma membrane of cells of stratum spinosum was serrated and had melanosomes in cytoplasm. Cell membrane of cells of stratum corneum were serrated. Cells of superficial layer showed more keratinization and nuclei were degenerated.
Subject: Veterinary Anatomy
Theme: Histological Ultrastructural and Histochemical Studies on Skin in Goat (Capra Hircus)
Research Problem: Histological Ultrastructural and Histochemical Studies on Skin in Goat (Capra Hircus)
These Type: Ph.D
Issue Date: 2019-08-16
Appears in Collections:Thesis

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